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OOM-killer fun

Recently I had installed RHEL 7 FreeIPA test lab on my workplace. I have made virtual host with default 1GB RAM, installed the system, enrolled it into the IPA domain OK, then tried ipa-replica-install. Turns out that 1GB is not enough and OOM-killer tries to solve the problem by killing processes that ipa-replica-install had spawned. Surprisingly turns out that for some reason the script is not detecting errors caused and you have strangely configured replica as the result.